<nav class="bar bar-tab" style="z-index:3000;" >
        <a class="tab-item external active" href="#">
            <span class="icon icon-home"></span>
            <span class="tab-label">附近</span>
        </a>
        <a class="tab-item external" href="#">
            <span class="icon icon-star"></span>
            <span class="tab-label">视频</span>
            <span class="badge">2</span>
        </a>
        <a class="tab-item external" href="#">
            <span class="icon icon-settings"></span>
            <span class="tab-label">消息</span>
        </a>
        <a class="tab-item external" href="#">
            <span class="icon icon-settings"></span>
            <span class="tab-label">关注</span>
        </a>
        <a class="tab-item external" href="#">
            <span class="icon icon-settings"></span>
            <span class="tab-label">我的</span>
        </a>
    </nav>